The engine P0330 Code is very important thing. If you do not get the true meaning of the code, it becomes difficult to solve the car engine problem. The powertrain of the car engine is easy to fix and the code is related with the powertrain of the car engine. However, you must not use wrong meaning of the code for solving the problem and finding the real cause of the car engine. You should study well the manual of the car engine to discover the meaning of the code and find the way of solving the car engine problem.